译林版(2024)八年级下册Unit 8 A green world Welcome to the unit ＆ Reading I课件＋音频(共28张PPT)

(课件网) Unit 8 A green world (Welcome to the unit ＆ Reading I) ★学习目标： 识别并了解空气、水、土壤、噪音四种污染的成因与影响；掌握环保主题核心词汇与表达，理解文章“总—分—总”结构，梳理瑞士绿色发展的三大途径。 获取并归纳环保建议的句型，能运用所学词汇与句型，围绕减少污染、绿色生活开展对话与讨论。 结合文本与自身实际，讨论个人环保行动，提升环保意识与社会责任感。 ★教学难点： 运用恰当的英文表达，与同伴对话讨论减少污染的具体措施。 理解 “绿色国家” 的多层含义，结合课文内容对环保政策进行初步思考与讨论。 将文本信息与个人生活结合，用英语提出切实可行的环保建议，树立环保意识。 Warming up Free talk Look at these pictures. What problems are they Types of pollution Soil pollution 土壤污染 Noise pollution 噪声污染 Types of pollution Air pollution 空气污染 Water pollution 水污染 Listen to the introduction to four types of pollution and fill in the blanks. Type Causes Soil pollution Chemical waste Other rubbish from humans _____ too many trees Noise pollution Nolse from _____, trucks and buses on the road Noise from building work Air pollution Burning of unclean fuels _____ Water pollution Chemicals poured into rivers and lakes _____ Cutting down cars Smoke from factories Wastewater Millie and Daniel are talking about reducing pollution. Work in pairs and talk about how we can reduce pollution. Use the conversation belowas a modet. Millie: What can we do to reduce air pollution Daniel: It's a good idea to share a ride to school with others or take the bus. Mille: Yes. We can also ride a bike if we live close. Daniel: Good idea. We can plant more trees. Millie: I agree. And what about water pollution Some rivers don't look clean and clear! Daniel: We should use more eco-friendly cleaning products. Millie: Yes. That will reduce water pollution. What are the ways to reduce pollution Soil pollution: Sort and recycle waste. Use reusable bags instead of plastic bags. Recycle used batteries. Reduce the use of chemical pesticides. ... Noise pollution: Keep quiet in public places. Avoid loud activities at night. ... What are the ways to reduce pollution Air pollution: Ride bikes or take public transport. Plant more trees. Stop burning rubbish or waste. ... Water pollution: Save water in daily life. Never throw rubbish into rivers or lakes. Use eco-friendly cleaning products ... Write a conversation about reducing pollution. 例： A: What can we do to reduce soil pollution B: It’s a good idea not to throw rubbish on the land. A: I agree. I think we can also use less harmful pesticides. B: Yes. And what can we do to reduce soil pollution in parks A: We can plant more green plants to protect the soil. B: Excellent! Which type of pollution & the biggest problem in your hometown Explain. In my hometown, rubbish pollution is the biggest problem. There is too much litter on streets and in parks. Some people drop rubbish everywhere. It makes our town dirty and smells bad. We should learn to sort rubbish and keep our ho ... ...